The Big Ten boasts some of college football’s greatest rivalries, so it comes as no surprise that it’s rivalry trophies are among the best of the bunch. [ MORE: Like this post? Check out our Gone Viral section! ] According to NFL.com’s list of college football’s best rivalry trophies, the latest installment in its popular 15 for ’15 series, the nation’s top four trophies reside in the Big Ten. That’s right, the site ranks Floyd of Rosedale No. 1, Paul Bunyan’s Axe No. 2, Little Brown Jug No. 3, and Old Oaken Bucket No. 4. The first non-Big Ten trophy

A series that covers the true revolutionaries, Game Changers explores how innovators from Big Ten universities — students, faculty and alums — are inventing or reinventing their chosen fields. Dr. Mary-Dell Chilton’s groundbreaking work with genetic engineering in plants started with what seemed to her like a ludicrous theory: that particular species of bacteria could attach to plant genomes and proceed to spread DNA to them. “There was a student in the class that I taught who once told me about agrobacterium and crown gall tumors,” Chilton said. “People had the idea that there might be gene transfer from the